It's the old-style of the current Thunder 22. Parts are slightly different [ hammer and transfer-bar tension spring for example ] and are not available anywhere.

"Try never to run out of smokes, ammo and luck all at the same time. But remember, if you have ammo, you can always get more smokes, and make your own luck."—G.K. Shirpa
wakkoss wrote:
" Good thing for me that I don't wear panties. I freeball with support from a small glob of firm tofu."